393 lines
10 KiB
Ruby
393 lines
10 KiB
Ruby
require 'test/test_helper'
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require 'logger'
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class CursorTest < Test::Unit::TestCase
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include Mongo
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@@connection = Connection.new(ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost',
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ENV['MONGO_RUBY_DRIVER_PORT'] || Connection::DEFAULT_PORT)
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@@db = @@connection.db(MONGO_TEST_DB)
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@@coll = @@db.collection('test')
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@@version = @@connection.server_version
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def setup
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@@coll.remove
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@@coll.insert('a' => 1) # collection not created until it's used
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@@coll_full_name = "#{MONGO_TEST_DB}.test"
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end
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def test_explain
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cursor = @@coll.find('a' => 1)
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explaination = cursor.explain
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assert_not_nil explaination['cursor']
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assert_kind_of Numeric, explaination['n']
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assert_kind_of Numeric, explaination['millis']
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assert_kind_of Numeric, explaination['nscanned']
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end
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def test_count
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@@coll.remove
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assert_equal 0, @@coll.find().count()
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10.times do |i|
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@@coll.save("x" => i)
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end
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assert_equal 10, @@coll.find().count()
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assert_kind_of Integer, @@coll.find().count()
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assert_equal 10, @@coll.find({}, :limit => 5).count()
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assert_equal 10, @@coll.find({}, :skip => 5).count()
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assert_equal 1, @@coll.find({"x" => 1}).count()
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assert_equal 5, @@coll.find({"x" => {"$lt" => 5}}).count()
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a = @@coll.find()
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b = a.count()
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a.each do |doc|
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break
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end
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assert_equal b, a.count()
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assert_equal 0, @@db['acollectionthatdoesn'].count()
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end
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def test_sort
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@@coll.remove
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5.times{|x| @@coll.insert({"age" => x}) }
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assert_kind_of Cursor, @@coll.find().sort(:age, 1)
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assert_equal 0, @@coll.find().sort(:age, 1).next_document["age"]
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assert_equal 4, @@coll.find().sort(:age, -1).next_document["age"]
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assert_equal 0, @@coll.find().sort([["age", :asc]]).next_document["age"]
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assert_kind_of Cursor, @@coll.find().sort([[:age, -1], [:b, 1]])
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assert_equal 4, @@coll.find().sort(:age, 1).sort(:age, -1).next_document["age"]
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assert_equal 0, @@coll.find().sort(:age, -1).sort(:age, 1).next_document["age"]
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assert_equal 4, @@coll.find().sort([:age, :asc]).sort(:age, -1).next_document["age"]
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assert_equal 0, @@coll.find().sort([:age, :desc]).sort(:age, 1).next_document["age"]
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cursor = @@coll.find()
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cursor.next_document
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assert_raise InvalidOperation do
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cursor.sort(["age"])
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end
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assert_raise InvalidSortValueError do
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@@coll.find().sort(:age, 25).next_document
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end
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assert_raise InvalidSortValueError do
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@@coll.find().sort(25).next_document
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end
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end
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def test_sort_date
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@@coll.remove
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5.times{|x| @@coll.insert({"created_at" => Time.utc(2000 + x)}) }
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assert_equal 2000, @@coll.find().sort(:created_at, :asc).next_document["created_at"].year
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assert_equal 2004, @@coll.find().sort(:created_at, :desc).next_document["created_at"].year
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assert_equal 2000, @@coll.find().sort([:created_at, :asc]).next_document["created_at"].year
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assert_equal 2004, @@coll.find().sort([:created_at, :desc]).next_document["created_at"].year
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assert_equal 2000, @@coll.find().sort([[:created_at, :asc]]).next_document["created_at"].year
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assert_equal 2004, @@coll.find().sort([[:created_at, :desc]]).next_document["created_at"].year
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end
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def test_sort_min_max_keys
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@@coll.remove
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@@coll.insert({"n" => 1000000})
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@@coll.insert({"n" => -1000000})
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@@coll.insert({"n" => MaxKey.new})
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@@coll.insert({"n" => MinKey.new})
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results = @@coll.find.sort([:n, :asc]).to_a
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assert_equal MinKey.new, results[0]['n']
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assert_equal -1000000, results[1]['n']
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assert_equal 1000000, results[2]['n']
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assert_equal MaxKey.new, results[3]['n']
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end
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def test_id_range_queries
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@@coll.remove
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t1 = Time.now
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t1_id = ObjectID.from_time(t1)
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@@coll.save({:t => 't1'})
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@@coll.save({:t => 't1'})
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@@coll.save({:t => 't1'})
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sleep(2)
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t2 = Time.now
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t2_id = ObjectID.from_time(t2)
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@@coll.save({:t => 't2'})
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@@coll.save({:t => 't2'})
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@@coll.save({:t => 't2'})
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assert_equal 3, @@coll.find({'_id' => {'$gt' => t1_id}, '_id' => {'$lt' => t2_id}}).count
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@@coll.find({'_id' => {'$gt' => t2_id}}).each do |doc|
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assert_equal 't2', doc['t']
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end
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end
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def test_limit
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@@coll.remove
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10.times do |i|
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@@coll.save("x" => i)
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end
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assert_equal 10, @@coll.find().count()
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results = @@coll.find().limit(5).to_a
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assert_equal 5, results.length
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end
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def test_limit_exceptions
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assert_raise ArgumentError do
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cursor = @@coll.find().limit('not-an-integer')
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end
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cursor = @@coll.find()
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firstResult = cursor.next_document
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assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
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cursor.limit(1)
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end
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cursor = @@coll.find()
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cursor.close
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assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
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cursor.limit(1)
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end
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end
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def test_skip
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@@coll.remove
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10.times do |i|
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@@coll.save("x" => i)
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end
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assert_equal 10, @@coll.find().count()
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all_results = @@coll.find().to_a
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skip_results = @@coll.find().skip(2).to_a
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assert_equal 10, all_results.length
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assert_equal 8, skip_results.length
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assert_equal all_results.slice(2...10), skip_results
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end
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def test_skip_exceptions
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assert_raise ArgumentError do
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cursor = @@coll.find().skip('not-an-integer')
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end
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cursor = @@coll.find()
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firstResult = cursor.next_document
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assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
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cursor.skip(1)
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end
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cursor = @@coll.find()
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cursor.close
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assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
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cursor.skip(1)
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end
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end
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def test_limit_skip_chaining
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@@coll.remove
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10.times do |i|
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@@coll.save("x" => i)
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end
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all_results = @@coll.find().to_a
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limited_skip_results = @@coll.find().limit(5).skip(3).to_a
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assert_equal all_results.slice(3...8), limited_skip_results
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end
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def test_close_no_query_sent
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begin
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cursor = @@coll.find('a' => 1)
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cursor.close
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assert cursor.closed?
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rescue => ex
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fail ex.to_s
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end
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end
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def test_refill_via_get_more
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assert_equal 1, @@coll.count
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1000.times { |i|
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assert_equal 1 + i, @@coll.count
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@@coll.insert('a' => i)
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}
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assert_equal 1001, @@coll.count
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count = 0
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@@coll.find.each { |obj|
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count += obj['a']
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}
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assert_equal 1001, @@coll.count
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# do the same thing again for debugging
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assert_equal 1001, @@coll.count
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count2 = 0
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@@coll.find.each { |obj|
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count2 += obj['a']
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}
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assert_equal 1001, @@coll.count
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assert_equal count, count2
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assert_equal 499501, count
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end
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def test_refill_via_get_more_alt_coll
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coll = @@db.collection('test-alt-coll')
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coll.remove
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coll.insert('a' => 1) # collection not created until it's used
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assert_equal 1, coll.count
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1000.times { |i|
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assert_equal 1 + i, coll.count
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coll.insert('a' => i)
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}
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assert_equal 1001, coll.count
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count = 0
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coll.find.each { |obj|
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count += obj['a']
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}
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assert_equal 1001, coll.count
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# do the same thing again for debugging
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assert_equal 1001, coll.count
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count2 = 0
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coll.find.each { |obj|
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count2 += obj['a']
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}
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assert_equal 1001, coll.count
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assert_equal count, count2
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assert_equal 499501, count
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end
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def test_close_after_query_sent
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begin
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cursor = @@coll.find('a' => 1)
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cursor.next_document
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cursor.close
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assert cursor.closed?
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rescue => ex
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fail ex.to_s
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end
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end
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def test_kill_cursors
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@@coll.drop
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client_cursors = @@db.command("cursorInfo" => 1)["clientCursors_size"]
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by_location = @@db.command("cursorInfo" => 1)["byLocation_size"]
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10000.times do |i|
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@@coll.insert("i" => i)
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end
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assert_equal(client_cursors,
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@@db.command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.command("cursorInfo" => 1)["byLocation_size"])
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10.times do |i|
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@@coll.find_one()
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end
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assert_equal(client_cursors,
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@@db.command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.command("cursorInfo" => 1)["byLocation_size"])
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10.times do |i|
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a = @@coll.find()
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a.next_document
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a.close()
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end
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assert_equal(client_cursors,
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@@db.command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.command("cursorInfo" => 1)["byLocation_size"])
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a = @@coll.find()
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a.next_document
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assert_not_equal(client_cursors,
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@@db.command("cursorInfo" => 1)["clientCursors_size"])
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assert_not_equal(by_location,
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@@db.command("cursorInfo" => 1)["byLocation_size"])
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a.close()
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assert_equal(client_cursors,
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@@db.command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.command("cursorInfo" => 1)["byLocation_size"])
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a = @@coll.find({}, :limit => 10).next_document
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assert_equal(client_cursors,
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@@db.command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.command("cursorInfo" => 1)["byLocation_size"])
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@@coll.find() do |cursor|
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cursor.next_document
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end
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assert_equal(client_cursors,
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@@db.command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.command("cursorInfo" => 1)["byLocation_size"])
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@@coll.find() { |cursor|
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cursor.next_document
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}
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assert_equal(client_cursors,
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@@db.command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.command("cursorInfo" => 1)["byLocation_size"])
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end
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def test_count_with_fields
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@@coll.remove
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@@coll.save("x" => 1)
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if @@version < "1.1.3"
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assert_equal(0, @@coll.find({}, :fields => ["a"]).count())
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else
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assert_equal(1, @@coll.find({}, :fields => ["a"]).count())
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end
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end
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def test_has_next
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@@coll.remove
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200.times do |n|
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@@coll.save("x" => n)
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end
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cursor = @@coll.find
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while cursor.has_next?
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assert cursor.next_document
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end
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assert_equal false, cursor.has_next?
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end
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end
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